use gravity to increase mileage
The electric car would detect when you are going down hill and engage a generator to charge the batteries. This will increase battery charging, which would increase the distance you can travel between charges or in a hybrid it would enable you to use the electric motors longer. Also it will increase resistance when going down hill to maintain a constant speed (safety).
By: Gary S.
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Related Tags
batteries
battery
charging
electric
electric car
hybrid
mileage
Safety
travel

1 COMMENTS ON THIS IDEA
guslack Been done for 1997 by Toyota with the original Prius hybrid sold in Japan
1 year(s) ago via
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